working more or less parser generator (no semantic action, so pretty much useless

1 files changed, 56 insertions, 8 deletions

diff --git a/demos/generate-parser.c b/demos/generate-parser.c
index b0a769d..fc022be 100644
--- a/demos/generate-parser.c
+++ b/demos/generate-parser.c
@@ -1,11 +1,37 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <dlfcn.h>
 
-#include <parts/table.h>
-
-struct action **table;
-size_t table_states;
+#include "parts/symbol.h"
+#include "parts/table.h"
 size_t total_symbols;
+int (*symbol_is_terminal)(symbol s);
+int (*symbol_is_input_end)(symbol s);
+int (*symbol_is_valid)(symbol s);
+
+#include "parts/grammar.h"
+
+struct production *grammar;
+size_t total_productions;
+
+#include "util-tables.c"
+
+// _LAZY_LALR on clr does not work??
+#include "slr-table.c"
+
+void *xdlsym(void *handle, char *sym)
+{
+    void *r = dlsym(handle, sym);
+    if(!r) {
+        fprintf(stderr, "ERROR: Symbol \"%s\" was not found\n", sym);
+        exit(1);
+    }
+    return r;
+}
+
+
+#define GET_VARIABLE(var, handle)                    \
+    var = *(typeof(&var))xdlsym(handle, #var)
 
 int main(int argc, char **argv)
 {
@@ -13,13 +39,35 @@ int main(int argc, char **argv)
     
     void *handle = dlopen(argv[1], RTLD_LAZY);
     if(!handle) { puts(dlerror()); return 1; }
+
+    GET_VARIABLE(total_symbols, handle);    
+    GET_VARIABLE(symbol_is_terminal, handle);
+    GET_VARIABLE(symbol_is_input_end, handle);
+    GET_VARIABLE(symbol_is_valid, handle);
+    GET_VARIABLE(grammar, handle);
+    GET_VARIABLE(total_productions, handle);
+
+    util_tables_fill();
+    table_fill() && (exit(1), 1);
     
-    table  = *(typeof(&table))dlsym(handle, "table");
-    table_states = *(typeof(&table_states))dlsym(handle, "table_states");
-    total_symbols = *(typeof(&total_symbols))dlsym(handle, "total_symbols");
+    printf("size_t total_symbols = %zu;\n", total_symbols);
+    printf("IMPLEMENT_FUNCPTR(int, symbol_is_valid, (symbol s), {return s >= 0 && s < total_symbols;})\n");
 
-    table_print();
+    printf("struct production _grammar[] = {\n");
+    grammar_print_cstyle();
+    printf("};\n");
 
+    printf("struct production *grammar = _grammar;");
+    printf("size_t total_productions = %zu;\n", total_productions);
+    
+    printf("struct action **table = (struct action *([])){\n", table_states, total_symbols);
+    table_print_cstyle();
+    printf("};\n");
+    printf("size_t table_states = %zu;\n", table_states);
+
+    table_free();
+    util_tables_free();
+    
     dlclose(handle);
     return 0;
 }